Forum Discussion
Ed_Gee
Nov 17, 2015Explorer II
scrubjaysnest wrote:
The 300 watt kit isn't enough for 4 - 6 volt GC batteries. It is perfect for two GC batteries. If you plan on the 4-6 volt GC's you will need at least 400 watt and a MPPT controller and even that will be marginal for longest battery life.
The inverter only has an efficiency of 83 to 85 %. If you have to have a TV look for something in 12 volt with LED screen.
As a starting point 100 watts of solar per 100 AH of battery is a very minimum.
100% agree with Scrubjay'sNest on this. For the usage you describe, you might be well off with only two GC-2 golf cart batteries... as ScrubJay'snest said - more properly balanced for your 300 watts.... but in any case the GC-2 batteries are best. You certainly won't hurt anything if your 300W can re-charge four of the GC-2 batteries after a night's use.
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